Start to implement lock and key system

src/Dodge/Data.hs

@@ -1,3 +1,8 @@
+{-
+Contains base datatypes that cannot be seperated into 
+different modules because they are interdependent;
+circular imports are scary.
+ -}
 {-# LANGUAGE TemplateHaskell #-}
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE StrictData #-}